I created it for RFID-Cloner project but you can use it for other projects as well. Important thing to remember when using it for other projects is that the buttons are implemented using ADC pin of the Esp-12F (program has to read analog input to determine what key is pressed).

If something is not clear about how to assemble or how to use the board then just let me know (email: michalmonday17@gmail.com, discord: michalmonday#3687).

That's how the final project can look like after adding the display, RC522 and battery:

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